spi: sun4: Add A31 spi controller support
The usual SPI transmission protocol in Allwinner A10 and A31
controllers share similar context with minimal changes in register
offsets along with few additional register bits on A31.
So, add A31 spi controller support in existing sun4i_spi with A31
specific register offsets and bits.
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index ac7fbab..15207d2 100644
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -223,9 +223,9 @@
this ST IP core.
config SUN4I_SPI
- bool "Allwinner A10 SoCs SPI controller"
+ bool "Allwinner A10/A31 SoCs SPI controller"
help
- SPI driver for Allwinner sun4i, sun5i and sun7i SoCs
+ This enables using the SPI controller on the Allwinner A10/A31 SoCs.
config TEGRA114_SPI
bool "nVidia Tegra114 SPI driver"